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authorDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
commit0b57cec536236d46e3dba9bd041533462f33dbb7 (patch)
tree56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/llvm-cov/gcov.cpp
parent718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff)
Notes
Diffstat (limited to 'contrib/llvm/tools/llvm-cov/gcov.cpp')
-rw-r--r--contrib/llvm/tools/llvm-cov/gcov.cpp150
1 files changed, 0 insertions, 150 deletions
diff --git a/contrib/llvm/tools/llvm-cov/gcov.cpp b/contrib/llvm/tools/llvm-cov/gcov.cpp
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index 8a00ff64711f..000000000000
--- a/contrib/llvm/tools/llvm-cov/gcov.cpp
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@@ -1,150 +0,0 @@
-//===- gcov.cpp - GCOV compatible LLVM coverage tool ----------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// llvm-cov is a command line tools to analyze and report coverage information.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ProfileData/GCOV.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Errc.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
-#include <system_error>
-using namespace llvm;
-
-static void reportCoverage(StringRef SourceFile, StringRef ObjectDir,
- const std::string &InputGCNO,
- const std::string &InputGCDA, bool DumpGCOV,
- const GCOV::Options &Options) {
- SmallString<128> CoverageFileStem(ObjectDir);
- if (CoverageFileStem.empty()) {
- // If no directory was specified with -o, look next to the source file.
- CoverageFileStem = sys::path::parent_path(SourceFile);
- sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
- } else if (sys::fs::is_directory(ObjectDir))
- // A directory name was given. Use it and the source file name.
- sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
- else
- // A file was given. Ignore the source file and look next to this file.
- sys::path::replace_extension(CoverageFileStem, "");
-
- std::string GCNO = InputGCNO.empty()
- ? std::string(CoverageFileStem.str()) + ".gcno"
- : InputGCNO;
- std::string GCDA = InputGCDA.empty()
- ? std::string(CoverageFileStem.str()) + ".gcda"
- : InputGCDA;
- GCOVFile GF;
-
- ErrorOr<std::unique_ptr<MemoryBuffer>> GCNO_Buff =
- MemoryBuffer::getFileOrSTDIN(GCNO);
- if (std::error_code EC = GCNO_Buff.getError()) {
- errs() << GCNO << ": " << EC.message() << "\n";
- return;
- }
- GCOVBuffer GCNO_GB(GCNO_Buff.get().get());
- if (!GF.readGCNO(GCNO_GB)) {
- errs() << "Invalid .gcno File!\n";
- return;
- }
-
- ErrorOr<std::unique_ptr<MemoryBuffer>> GCDA_Buff =
- MemoryBuffer::getFileOrSTDIN(GCDA);
- if (std::error_code EC = GCDA_Buff.getError()) {
- if (EC != errc::no_such_file_or_directory) {
- errs() << GCDA << ": " << EC.message() << "\n";
- return;
- }
- // Clear the filename to make it clear we didn't read anything.
- GCDA = "-";
- } else {
- GCOVBuffer GCDA_GB(GCDA_Buff.get().get());
- if (!GF.readGCDA(GCDA_GB)) {
- errs() << "Invalid .gcda File!\n";
- return;
- }
- }
-
- if (DumpGCOV)
- GF.print(errs());
-
- FileInfo FI(Options);
- GF.collectLineCounts(FI);
- FI.print(llvm::outs(), SourceFile, GCNO, GCDA);
-}
-
-int gcovMain(int argc, const char *argv[]) {
- cl::list<std::string> SourceFiles(cl::Positional, cl::OneOrMore,
- cl::desc("SOURCEFILE"));
-
- cl::opt<bool> AllBlocks("a", cl::Grouping, cl::init(false),
- cl::desc("Display all basic blocks"));
- cl::alias AllBlocksA("all-blocks", cl::aliasopt(AllBlocks));
-
- cl::opt<bool> BranchProb("b", cl::Grouping, cl::init(false),
- cl::desc("Display branch probabilities"));
- cl::alias BranchProbA("branch-probabilities", cl::aliasopt(BranchProb));
-
- cl::opt<bool> BranchCount("c", cl::Grouping, cl::init(false),
- cl::desc("Display branch counts instead "
- "of percentages (requires -b)"));
- cl::alias BranchCountA("branch-counts", cl::aliasopt(BranchCount));
-
- cl::opt<bool> LongNames("l", cl::Grouping, cl::init(false),
- cl::desc("Prefix filenames with the main file"));
- cl::alias LongNamesA("long-file-names", cl::aliasopt(LongNames));
-
- cl::opt<bool> FuncSummary("f", cl::Grouping, cl::init(false),
- cl::desc("Show coverage for each function"));
- cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary));
-
- cl::opt<bool> NoOutput("n", cl::Grouping, cl::init(false),
- cl::desc("Do not output any .gcov files"));
- cl::alias NoOutputA("no-output", cl::aliasopt(NoOutput));
-
- cl::opt<std::string> ObjectDir(
- "o", cl::value_desc("DIR|FILE"), cl::init(""),
- cl::desc("Find objects in DIR or based on FILE's path"));
- cl::alias ObjectDirA("object-directory", cl::aliasopt(ObjectDir));
- cl::alias ObjectDirB("object-file", cl::aliasopt(ObjectDir));
-
- cl::opt<bool> PreservePaths("p", cl::Grouping, cl::init(false),
- cl::desc("Preserve path components"));
- cl::alias PreservePathsA("preserve-paths", cl::aliasopt(PreservePaths));
-
- cl::opt<bool> UncondBranch("u", cl::Grouping, cl::init(false),
- cl::desc("Display unconditional branch info "
- "(requires -b)"));
- cl::alias UncondBranchA("unconditional-branches", cl::aliasopt(UncondBranch));
-
- cl::opt<bool> HashFilenames("x", cl::Grouping, cl::init(false),
- cl::desc("Hash long pathnames"));
- cl::alias HashFilenamesA("hash-filenames", cl::aliasopt(HashFilenames));
-
-
- cl::OptionCategory DebugCat("Internal and debugging options");
- cl::opt<bool> DumpGCOV("dump", cl::init(false), cl::cat(DebugCat),
- cl::desc("Dump the gcov file to stderr"));
- cl::opt<std::string> InputGCNO("gcno", cl::cat(DebugCat), cl::init(""),
- cl::desc("Override inferred gcno file"));
- cl::opt<std::string> InputGCDA("gcda", cl::cat(DebugCat), cl::init(""),
- cl::desc("Override inferred gcda file"));
-
- cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
-
- GCOV::Options Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
- PreservePaths, UncondBranch, LongNames, NoOutput,
- HashFilenames);
-
- for (const auto &SourceFile : SourceFiles)
- reportCoverage(SourceFile, ObjectDir, InputGCNO, InputGCDA, DumpGCOV,
- Options);
- return 0;
-}